This lunch box can keep warmth for 1-2 hours at room temperature ... How do you heat a stainless steel bento box? To heat a stainless steel bento box, put it in a microwave or soak the bottom of the ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more The Type A part of me jumps for joy when I find a new way to organize my life and give everything its ...

Best Stainless Steel: Ecolunchbox Three-in-One Classic Steel Bento Box Made entirely from stainless steel, with no gaskets, ...